Samarium(III) perchlorate
{{Chembox
| Name =
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| Section1 = {{Chembox Identifiers
| CASNo = 13569-60-3
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| index5_label= hexahydrate
| PubChem5 = 132276547
| InChI5=1S/3ClHO4.6H2O.Sm/c3*2-1(3,4)5;;;;;;;/h3*(H,2,3,4,5);6*1H2;/q;;;;;;;;;+3/p-3
| InChIKey5 = IKKRFRFOUOWDEA-UHFFFAOYSA-K
| SMILES5 = O.O.O.O.O.O.[O-]Cl(=O)(=O)=O.[O-]Cl(=O)(=O)=O.[O-]Cl(=O)(=O)=O.[Sm+3]
| SMILES = [O-]Cl(=O)(=O)=O.[O-]Cl(=O)(=O)=O.[O-]Cl(=O)(=O)=O.[Sm+3]
}}
| Section2 = {{Chembox Properties
| Sm=1 | Cl=3 | O=12
| Formula =
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| Appearance = white solid
pale yellow crystals{{cite book | first = Jane E. |last=Macintyre | date = 23 July 1992 | title = Dictionary of Inorganic Compounds | publisher = CRC Press | pages = 2930– | isbn = 978-0-412-30120-9 | url = https://books.google.com/books?id=9eJvoNCSCRMC&pg=PA2930}}
| Density =
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| Solubility = soluble in water and ethanol }}
| Section3 = {{Chembox Hazards
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Samarium(III) perchlorate is an inorganic compound with the chemical formula Sm(ClO4)3.
Preparation
Samarium(III) perchlorate can be obtained by the reaction of perchloric acid and samarium(III) oxide.{{cite journal|journal=Zeitschrift für anorganische und allgemeine Chemie|volume=625|issue=2|language=de|issn=0044-2313|date=Feb 1999|pages=309–312|doi=10.1002/(SICI)1521-3749(199902)625:2<309::AID-ZAAC309>3.0.CO;2-6 |title=Synthesis and Structure of Anhydrous Rare-Earth Perchlorates M(ClO4)3 (M = La, Ce-Er, Y): Derivatives of the UCl3 Type of Structure |last1=Wickleder |first1=Mathias S. |last2=Schäfer |first2=Wolfgang }} The hydrate precipitated from the solution can be dehydrated with dichlorine hexoxide to obtain the anhydrous form.{{cite journal|journal=Journal of the Chemical Society, Dalton Transactions|issue=13|language=en|issn=0300-9246|date=1992|pages=1997–2002|doi=10.1039/dt9920001997 |title=Synthesis and structural analysis of a homogeneous series of anhydrous rare-earth-metal perchlorates |last1=Favier |first1=Frédéric |last2=Pascal |first2=Jean-Louis }}
Properties
Anhydrous samarium(III) perchlorate forms hexagonal crystals, space group P63/m, unit cell parameters a=9.259 Å, c=5.746 Å, Z=2.{{cite journal|journal=Journal of Solid State Chemistry|volume=139|issue=2|language=en|date=Sep 1998|pages=259–265|doi=10.1006/jssc.1998.7838 |title=Crystalline and Molecular Structures of Anhydrous Lanthanide PerchloratesLn(ClO4)3 with Ln=La, Ce, Pr, Sm, Eu, Ho, Er, Tm, and Lu |last1=Pascal |first1=J.L. |last2=Favier |first2=F. |last3=Cunin |first3=F. |last4=Fitch |first4=A. |last5=Vaughan |first5=G. |bibcode=1998JSSCh.139..259P }} It reacts with ammonium thiocyanate and 1-butyl-3-methylimidazolium thiocyanate ([BMIM]SCN) in absolute ethanol to obtain the ionic liquid [BMIM]4[Sm(NCS)7(H2O)].{{cite journal|journal=Journal of the American Chemical Society|volume=128|issue=42|language=en|issn=0002-7863|date=2006-10-01|pages=13658–13659|doi=10.1021/ja0640391 |title=Anionic Rare-Earth Thiocyanate Complexes as Building Blocks for Low-Melting Metal-Containing Ionic Liquids |pmid=17044672 |s2cid=34311500 |last1=Nockemann |first1=Peter |last2=Thijs |first2=Ben |last3=Postelmans |first3=Niels |last4=Van Hecke |first4=Kristof |last5=Van Meervelt |first5=Luc |last6=Binnemans |first6=Koen |bibcode=2006JAChS.12813658N }}
References
{{reflist}}
{{Samarium compounds}}
{{Perchlorates}}